This is a brief report using dataset from from World Data Visualization competition(source). The data reveals that the country with the higest GDP per capita is Eswatini, with the GDP per capita 9776. And the country with the highest gini index is Lesotho, with the gini index 63.2. The country with the highest happiness report score is Finland, with the score 7.7882518770000004.
To find the relationship between GDP per capita and world happiness report score, here is a chart of of world data visualization competition:
To find the relationship between world happiness report score and unemployment percentage, here is a chart of of world data visualization competition: